DOMESTIC
Oil Refineries
- Tesoro Hawaii
- Chevron Hawaii
Waste & Water Treatment
- U.S. Navy, ROICC, Pearl Harbor
- City and County of Honolulu
- County of Kauai
- County of Maui
Public Utilities & Power Plants
- Lihue Energy Services
- ABB-- Kalaeloa Partners
- AES -- Barbers Point
- H-Power – Ogden Projects
- Hawaii Electric Industries
HECO | MECO | HELCO
Sugar Processing & Related Utilities
- Pioneer Sugar
- AMFAC Sugar
- Hawaii Cane and Sugar
Telecommunications
- GST Telecommunications
- Sprint Hawaii
- AT&T
Transportation & Terminals
- The Gas Company, Inc.
- Hawaiian Cement
- U.S. Navy- FISC Pearl Harbor
- Tesoro Hawaii Terminals, Inc.
- UNOCAL
- State of Hawaii
- American Hawaii Cruise Lines
- Matson Navigation
BUILDING PROJECTS
Commercial Buildings
- Oceanic Institute
- U.S. Coast Guard
- NAVFAC, Hawaii
- State of Hawaii
- U.S. Department of Agriculture
- Molokai Ranch
- GST Telecommunications
- Cutter Automotive
Schools
INTERNATIONAL
Public Utilities & Power Plants
- Palau Public Utilities Corporation (PPUC)
- Chuuk Public Utility Corporation (CPUC)
- Kosrae Utilities Authority (KUA)
- Marshalls Energy Company (MEC)
- Pohnpei Utility Corporation (PUC)
- Yap State Public Services Corporation (YSPSC)
Transportation & Fuel Terminals
- U.S. Navy – FISC, Hachinohe & Tsurumi, Japan
Waste and Wastewater Treatment
- U.S. Navy- FISC, Tsurumi, Japan